Blaze BL218SSi-B
High-Output Sub-Bass Companion Subwoofer
Overview
The BL218SSi-B is a high-output sub-bass companion subwoofer optimized for sound systems requiring extended low frequency response and the highest quality audio reproduction.
Features
- Offering full integration with Blaze PowerZone Connect 3004 amplifiers.
- Designed to satisfy the need for an extreme high SPL sub bass loudspeaker system.
- Capable of 5000W of stunning low-end response, making it ideal for low-frequency sections in multi-way loudspeaker systems or as a sub bass section in sound systems requiring extended low frequency response and superior audio reproduction.
- Utilizes two direct radiating 18-inch, 2,500W cone drivers in a tuned enclosure, providing maximum output with minimal distortion and smooth extended low frequency response.
- Tour-tested 21-ply Baltic Birch highly braced enclosure and 24 mm thick baffle board construction provide unsurpassed rigidity and strength.
- Enclosure is configurable for use in cardioid or end-fire arrays.
- Fully integrates with Blaze Audio's PowerZone™ Connect amplifiers (3004 or higher).
- 5000W of stunning low-end response.
- Symmetrical dispersion pattern.
- Components selected solely for their performance.
Applications
- Optimized high-output sub-bass companion subwoofer
- Performing Arts Centers
- Commercial Theatre
- Houses of Worship
- AV Rental House
- Nightclubs
Technical Specifications
System Performance
| Value | |
|---|---|
| Frequency Response (-3dB) | 25 Hz - 150 Hz |
| Frequency Range (-10 dB) | 18 Hz - 150 Hz |
| Recommended High-Pass Filter | 20 Hz - with minimum 24 dB / octave (4th order) Butterworth slope |
| Nominal Directivity (-6 dB) | Omni or cardioid |
| Recommended Crossover Frequency | 90 Hz (acoustic, active, external DSP) |
| RMS Handling Capacity** | LF: 5000 W |
| Maximum SPL @ 1 Meter*** | 143 dB (Blaze Audio preset) |
| Transducer Components | LF: 18" (457.2 mm) x 2 |
| Transducer Nominal Impedance | LF = 4 ohms |
Physical Characteristics
| Value | |
|---|---|
| Enclosure | Baltic birch plywood, engineered plastics, and aluminum frame |
| Finish | Two-part spray catalyzed Polyurea coating on plywood |
| Grille | 14-gauge (1.0 mm) perforated stainless steel, powder-coated finish, black |
| Environmental | Indoor use only |
| Connectors/Bi-Amp | Two (2) parallel-wired NL4 Neutrik® speakON® connectors |
| Suspension/Mounting | Internal bracket w/ threaded 0.375" Flying points (x17) |
| Dimensions (HxWxD) | 22.5" H x 48.0" W x 30.0" D (571.5 mm x 1,219.2 mm x 762.0 mm) |
| Net Weight | 285 lb. (129.27 kg) |
| Shipping Weight | 295 lb. (133.80 kg) |
| Product Version | BL218SSi-B |
*Frequency response and range measured on-axis with anechoic environment. ** Power handling tested using pink noise filtered to meet IEC 268-5, 6 dB crest factor, 100 hours, with recommended EQ. *** Peak level measured at 1m under free field conditions using 10 dB crest factor pink noise with specified (Blaze Audio preset) and corresponding EQ settings.
